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Do not consider an empty string to be valid JSON. Add some additional

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JSON test cases.

FossilOrigin-Name: fd19ff029f128f478f69910352a6f8b84262ce1d
This commit is contained in:
drh
2015-08-29 16:02:37 +00:00
parent a771402e55
commit d1f0068d19
4 changed files with 60 additions and 10 deletions
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50
test/json101.test
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@ -63,4 +63,54 @@ do_execsql_test json1-3.4 {
SELECT json_type(json_set('{"a":1,"b":2}','$$.b','{"x":3,"y":4}'),'$.b');
} {object}
# Per rfc7159, any JSON value is allowed at the top level, and whitespace
# is permitting before and/or after that value.
#
do_execsql_test json1-4.1 {
CREATE TABLE j1(x);
INSERT INTO j1(x)
VALUES('true'),('false'),('null'),('123'),('-234'),('34.5e+6'),
('""'),('"\""'),('"\\"'),('"abcdefghijlmnopqrstuvwxyz"'),
('[]'),('{}'),('[true,false,null,123,-234,34.5e+6,{},[]]'),
('{"a":true,"b":{"c":false}}');
SELECT * FROM j1 WHERE NOT json_valid(x);
} {}
do_execsql_test json1-4.2 {
SELECT * FROM j1 WHERE NOT json_valid(char(0x20,0x09,0x0a,0x0d)||x);
} {}
do_execsql_test json1-4.3 {
SELECT * FROM j1 WHERE NOT json_valid(x||char(0x20,0x09,0x0a,0x0d));
} {}
# But an empty string, or a string of pure whitespace is not valid JSON.
#
do_execsql_test json1-4.4 {
SELECT json_valid(''), json_valid(char(0x20,0x09,0x0a,0x0d));
} {0 0}
# json_remove() and similar functions with no edit operations return their
# input unchanged.
#
do_execsql_test json1-4.5 {
SELECT x FROM j1 WHERE json_remove(x)<>x;
} {}
do_execsql_test json1-4.6 {
SELECT x FROM j1 WHERE json_replace(x)<>x;
} {}
do_execsql_test json1-4.7 {
SELECT x FROM j1 WHERE json_set(x)<>x;
} {}
do_execsql_test json1-4.8 {
SELECT x FROM j1 WHERE json_insert(x)<>x;
} {}
# json_extract(JSON,'$') will return objects and arrays without change.
#
do_execsql_test json-4.10 {
SELECT count(*) FROM j1 WHERE json_type(x) IN ('object','array');
SELECT x FROM j1
WHERE json_extract(x,'$')<>x
AND json_type(x) IN ('object','array');
} {4}
finish_test